Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:08:14 AM (PDT) on Saturday, July 15, 2023.
The magnitude 1.2 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Saturday, July 15, 2023 at 2:08:14 AM (PDT)
Saturday, July 15, 2023 at 9:08:14 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) NW (326 degrees)
Cobb, CA - 6 km (4 miles) W (271 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (168 degrees)
Middletown, CA - 18 km (11 miles) WNW (297 degrees)
Cloverdale, CA - 19 km (12 miles) E (84 degrees)
Coordinates 38 deg. 49.4 min. N (38.823N), 122 deg. 47.8 min. W (122.796W)
Depth 2.99 km (1.9 miles)
Quality Excellent
Location Quality Parameters Nst=43, Nph=51, Dmin=1.2 km, Rmss=0.05 sec, Erho=0.15 km, Erzz=0.27 km, Gp=27 degrees
Event ID# nc73913166
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For more information, see https://earthquake.usgs.gov

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